#include <kern/kalloc.h>
#include <kern/misc_protos.h>
#include <kern/machine.h>
#include <mach/processor_info.h>
#include <i386/pmap.h>
#include <i386/machine_cpu.h>
#include <i386/machine_routines.h>
#include <i386/misc_protos.h>
#include <i386/cpu_threads.h>
#include <i386/rtclock_protos.h>
#include <i386/cpuid.h>
#if CONFIG_VMX
#include <i386/vmx/vmx_cpu.h>
#endif
#include <vm/vm_kern.h>
#include <kern/timer_call.h>
struct processor processor_master;
kern_return_t
cpu_control(
int slot_num,
processor_info_t info,
unsigned int count)
{
printf("cpu_control(%d,%p,%d) not implemented\n",
slot_num, info, count);
return (KERN_FAILURE);
}
kern_return_t
cpu_info_count(
__unused processor_flavor_t flavor,
unsigned int *count)
{
*count = 0;
return (KERN_FAILURE);
}
kern_return_t
cpu_info(
processor_flavor_t flavor,
int slot_num,
processor_info_t info,
unsigned int *count)
{
printf("cpu_info(%d,%d,%p,%p) not implemented\n",
flavor, slot_num, info, count);
return (KERN_FAILURE);
}
void
cpu_sleep(void)
{
cpu_data_t *cdp = current_cpu_datap();
PE_cpu_machine_quiesce(cdp->cpu_id);
cpu_thread_halt();
}
void
cpu_init(void)
{
cpu_data_t *cdp = current_cpu_datap();
timer_call_queue_init(&cdp->rtclock_timer.queue);
cdp->rtclock_timer.deadline = EndOfAllTime;
cdp->cpu_type = cpuid_cputype();
cdp->cpu_subtype = cpuid_cpusubtype();
i386_activate_cpu();
}
kern_return_t
cpu_start(
int cpu)
{
kern_return_t ret;
if (cpu == cpu_number()) {
cpu_machine_init();
return KERN_SUCCESS;
}
ret = intel_startCPU_fast(cpu);
if (ret != KERN_SUCCESS) {
ret = intel_startCPU(cpu);
}
if (ret != KERN_SUCCESS)
kprintf("cpu: cpu_start(%d) returning failure!\n", cpu);
return(ret);
}
void
cpu_exit_wait(
int cpu)
{
cpu_data_t *cdp = cpu_datap(cpu);
boolean_t intrs_enabled;
uint64_t tsc_timeout;
intrs_enabled = ml_set_interrupts_enabled(FALSE);
simple_lock(&x86_topo_lock);
tsc_timeout = rdtsc64() + (10ULL * 1000 * 1000 * 1000);
while ((cdp->lcpu.state != LCPU_HALT)
&& (cdp->lcpu.state != LCPU_OFF)
&& !cdp->lcpu.stopped) {
simple_unlock(&x86_topo_lock);
ml_set_interrupts_enabled(intrs_enabled);
cpu_pause();
if (rdtsc64() > tsc_timeout)
panic("cpu_exit_wait(%d) timeout", cpu);
ml_set_interrupts_enabled(FALSE);
simple_lock(&x86_topo_lock);
}
simple_unlock(&x86_topo_lock);
ml_set_interrupts_enabled(intrs_enabled);
}
void
cpu_machine_init(
void)
{
cpu_data_t *cdp = current_cpu_datap();
PE_cpu_machine_init(cdp->cpu_id, !cdp->cpu_boot_complete);
cdp->cpu_boot_complete = TRUE;
cdp->cpu_running = TRUE;
ml_init_interrupt();
#if CONFIG_VMX
vmx_cpu_init();
#endif
}
processor_t
cpu_processor_alloc(boolean_t is_boot_cpu)
{
int ret;
processor_t proc;
if (is_boot_cpu)
return &processor_master;
ret = kmem_alloc(kernel_map, (vm_offset_t *) &proc, sizeof(*proc), VM_KERN_MEMORY_OSFMK);
if (ret != KERN_SUCCESS)
return NULL;
bzero((void *) proc, sizeof(*proc));
return proc;
}
void
cpu_processor_free(processor_t proc)
{
if (proc != NULL && proc != &processor_master)
kfree((void *) proc, sizeof(*proc));
}
processor_t
current_processor(void)
{
return current_cpu_datap()->cpu_processor;
}
processor_t
cpu_to_processor(
int cpu)
{
return cpu_datap(cpu)->cpu_processor;
}
ast_t *
ast_pending(void)
{
return (¤t_cpu_datap()->cpu_pending_ast);
}
cpu_type_t
slot_type(
int slot_num)
{
return (cpu_datap(slot_num)->cpu_type);
}
cpu_subtype_t
slot_subtype(
int slot_num)
{
return (cpu_datap(slot_num)->cpu_subtype);
}
cpu_threadtype_t
slot_threadtype(
int slot_num)
{
return (cpu_datap(slot_num)->cpu_threadtype);
}
cpu_type_t
cpu_type(void)
{
return (current_cpu_datap()->cpu_type);
}
cpu_subtype_t
cpu_subtype(void)
{
return (current_cpu_datap()->cpu_subtype);
}
cpu_threadtype_t
cpu_threadtype(void)
{
return (current_cpu_datap()->cpu_threadtype);
}